● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Lockheed Martin Corporation  · Electronic Components

1603978

Filter, Low Pass

Part Number1603978
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameFILTER,LOW PASS
Federal Supply Class5915 — Filters and Networks
Load Impedance Per Function1000.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Mounting Facility Screw Thread SerUNIFIED NATIONAL COARSE (UNC)
Reference Frequency Per Function50.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Body Length1.312 INCHES NOMINAL
Inclosure TypeENCASED
Insertion Loss At Reference Freque2.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Mounting Facility Type And Quantit2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED
Body Width1.312 INCHES NOMINAL
Functional Terminal Type And Quant3 TAB, SOLDER LUG INPUT-OUTPUT/GROUND LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE
Source Impedance Rating Per Functi10.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Vendor Part NumbersFAF789
Review your list (0) →
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is 1603978 available?
We can source 1603978 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 1603978 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1603978 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 1603978?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 1603978?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.